def test_arity(self):
# e.g., def square(n):
# return n * n
# arity(square) = 1
fn = FunctionRef("", 1, "square")
squarearg = ArgRef(fn, "n")
self.assertEqual(fn.arity(), 1)
def test_arity(self):
# e.g., def square(n):
# return n * n
# arity(square) = 1
fn = FunctionRef("", 1, "square")
squarearg = ArgRef(fn, "n")
self.assertEqual(fn.arity(), 1)
